MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ace902b61398f94cdecc6133a111ccf4197c08a12f37fd98e90bd29bb714c827. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Formbook


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments
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SHA256 hash: ace902b61398f94cdecc6133a111ccf4197c08a12f37fd98e90bd29bb714c827
SHA3-384 hash: a79c8be5c8806ba508142523431478bc5695d57b74528e440ed38caeea3d1f05d59cc66a5e3906f3edde09f9a76a4bc0
SHA1 hash: b45477ec5fa6e160ca226c86428368d0c37315a0
MD5 hash: ac749dae9f51ec9986e8e115b5f7d078
humanhash: south-six-pluto-uniform
File name:coc.exe
Download: download sample
Signature Formbook
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File size:41'984 bytes
First seen:2022-06-20 15:35:31 UTC
Last seen:2022-06-21 13:36:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:6AYPmhtpXuhIEQ/f+I49Nf7oSFYwQjXvLWRgcL0ST8iNxy2K:6xY/+PQ/f+Pf97QWRgcL9HNxvK
TLSH T10013BF27639F4A31E7659F7EA863D7400B78A466CC32D60FB08032B66D13F61CA75725
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon b28ccaacda53d39b (34 x Formbook, 1 x BitRAT, 1 x SnakeKeylogger)
Reporter James_inthe_box
Tags:exe FormBook

Intelligence

File Origin
# of uploads :
3
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Formbook
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Link:
https://www.capesandbox.com/analysis/281675/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.39838896.27560.29159.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Sending a custom TCP request
Launching cmd.exe command interpreter
Searching for synchronization primitives
Setting browser functions hooks
Enabling autorun by creating a file
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b093e83c1286f07352c90d/reports/5fe190dd-2c4d-44a0-b53b-8799d6f17ab7/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Formbook
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7dfae471-dfb5-4140-aaae-bc8cba4a2273
Result
Threat name:
FormBook
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Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1016453
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Creates an undocumented autostart registry key
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Queues an APC in another process (thread injection)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected FormBook
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 648946 Sample: coc.exe Startdate: 20/06/2022 Architecture: WINDOWS Score: 100 40 Snort IDS alert for network traffic 2->40 42 Malicious sample detected (through community Yara rule) 2->42 44 Yara detected FormBook 2->44 46 6 other signatures 2->46 9 coc.exe 15 7 2->9         started        process3 dnsIp4 38 gen-l.tk 192.185.174.180, 49750, 80 UNIFIEDLAYER-AS-1US United States 9->38 32 C:\Users\user\AppData\Roaming\...\Xphzk.exe, PE32 9->32 dropped 34 C:\Users\user\...\Xphzk.exe:Zone.Identifier, ASCII 9->34 dropped 36 C:\Users\user\AppData\Local\...\coc.exe.log, ASCII 9->36 dropped 50 Creates an undocumented autostart registry key 9->50 52 Writes to foreign memory regions 9->52 54 Injects a PE file into a foreign processes 9->54 14 MSBuild.exe 9->14         started        17 cmd.exe 1 9->17         started        file5 signatures6 process7 signatures8 56 Modifies the context of a thread in another process (thread injection) 14->56 58 Maps a DLL or memory area into another process 14->58 60 Sample uses process hollowing technique 14->60 62 2 other signatures 14->62 19 explorer.exe 14->19 injected 21 conhost.exe 17->21         started        23 timeout.exe 1 17->23         started        process9 process10 25 wscript.exe 19->25         started        28 cmd.exe 1 21->28         started        signatures11 48 Tries to detect virtualization through RDTSC time measurements 25->48 30 conhost.exe 28->30         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ace902b61398f94cdecc6133a111ccf4197c08a12f37fd98e90bd29bb714c827/
Threat name:
ByteCode-MSIL.Downloader.Seraph
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Status:
Malicious
First seen:
2022-06-20 15:35:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
19 of 26 (73.08%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vtuqfnqttd4uzxwmmez2ceom6qmxycfbf4373ghjbpjjxnyuzatq._file
Verdict:
malicious
Label(s):
formbook
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Result
Malware family:
formbook
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Score:
  10/10
Tags:
family:formbook campaign:ao25 rat spyware stealer suricata trojan
Link:
https://tria.ge/reports/220620-s1wv3sgec3/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Formbook Payload
Formbook
suricata: ET MALWARE FormBook CnC Checkin (GET)
Unpacked files
SH256 hash:
ace902b61398f94cdecc6133a111ccf4197c08a12f37fd98e90bd29bb714c827
MD5 hash:
ac749dae9f51ec9986e8e115b5f7d078
SHA1 hash:
b45477ec5fa6e160ca226c86428368d0c37315a0
Link:
https://www.unpac.me/results/5057b962-2ba7-4fdd-b7e8-57d67deabf5b/
Malware family:
FormBook
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ace902b61398/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/ace902b61398f94cdecc6133a111ccf4197c08a12f37fd98e90bd29bb714c827

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:exploit_any_poppopret
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Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:meth_get_eip
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Author:Willi Ballenthin
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/281675/
  
URLhaus
https://urlhaus.abuse.ch/url/2246322/

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